| Type : Schedule3 | 
| Definition | 
| The departure or tour/activity start date/time. (Defined in file OTA_TourActivityBookRQ.xsd , or a file it imports) | 
| Attributes | |||
| Attribute Group : DateTimeSpanGroup | |||
| Duration | The duration datatype represents a combination of year, month, day and time values representing a single duration of time, encoded as a single string. | ||
| End | The ending value of the time span. | ||
| Start | The starting value of the time span. | ||